diff options
| author | Nick Thompson <nick.thompson@gefanuc.com> | 2009-11-12 11:03:23 -0500 |
|---|---|---|
| committer | Tom Rix <Tom.Rix@windriver.com> | 2009-11-27 16:26:14 -0600 |
| commit | ca8480d444bdcc1670e42a613c5a5e4e8366d2d9 (patch) | |
| tree | 3704de6352f5538f717f57b200e49fe0868fd5eb /board/davinci/common/misc.h | |
| parent | 9868a36dfb8de4bb98b48e4f4eb912312d67279e (diff) | |
| download | u-boot-imx-ca8480d444bdcc1670e42a613c5a5e4e8366d2d9.zip u-boot-imx-ca8480d444bdcc1670e42a613c5a5e4e8366d2d9.tar.gz u-boot-imx-ca8480d444bdcc1670e42a613c5a5e4e8366d2d9.tar.bz2 | |
TI Davinci: add a pin multiplexer configuration API
Creates a method allowing pin settings to be logically grouped into data
structure arrays and provides an API to configure the pinmux settings to
enable the relevant pin functions.
Signed-off-by: Nick Thompson <nick.thompson@gefanuc.com>
Diffstat (limited to 'board/davinci/common/misc.h')
| -rw-r--r-- | board/davinci/common/misc.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/board/davinci/common/misc.h b/board/davinci/common/misc.h index dc3cc41..f6d8b1b 100644 --- a/board/davinci/common/misc.h +++ b/board/davinci/common/misc.h @@ -22,8 +22,20 @@ #ifndef __MISC_H #define __MISC_H +/* pin muxer definitions */ +#define PIN_MUX_NUM_FIELDS 8 /* Per register */ +#define PIN_MUX_FIELD_SIZE 4 /* n in bits */ +#define PIN_MUX_FIELD_MASK ((1 << PIN_MUX_FIELD_SIZE) - 1) + +/* pin definition */ +struct pinmux_config { + dv_reg *mux; /* Address of mux register */ + unsigned char value; /* Value to set in field */ + unsigned char field; /* field number */ +}; int dvevm_read_mac_address(uint8_t *buf); void dv_configure_mac_address(uint8_t *rom_enetaddr); +int davinci_configure_pin_mux(const struct pinmux_config *pins, int n_pins); #endif /* __MISC_H */ |